Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/1.1/patches/2225070/?format=api
{ "id": 2225070, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2225070/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260420104248.86702-28-mohamed@unpredictable.fr/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.1/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20260420104248.86702-28-mohamed@unpredictable.fr>", "date": "2026-04-20T10:42:37", "name": "[v2,27/38] target/i386: emulate: use exception_payload for fault address", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "35ca09c6fe504fd6dc71f9bd9ab8a88d4ad0769d", "submitter": { "id": 91318, "url": "http://patchwork.ozlabs.org/api/1.1/people/91318/?format=api", "name": "Mohamed Mediouni", "email": "mohamed@unpredictable.fr" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260420104248.86702-28-mohamed@unpredictable.fr/mbox/", "series": [ { "id": 500592, "url": "http://patchwork.ozlabs.org/api/1.1/series/500592/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500592", "date": "2026-04-20T10:42:10", "name": "WHPX x86 updates for QEMU 11.1", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/500592/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2225070/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2225070/checks/", "tags": {}, "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=unpredictable.fr header.i=@unpredictable.fr\n header.a=rsa-sha256 header.s=sig1 header.b=CpGxLNp+;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fzhwF4Qz9z1yCv\n\tfor <incoming@patchwork.ozlabs.org>; Mon, 20 Apr 2026 20:45:33 +1000 (AEST)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1wEm6p-00089a-Bk; Mon, 20 Apr 2026 06:44:07 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <mohamed@unpredictable.fr>)\n id 1wEm6n-00082U-Nh\n for qemu-devel@nongnu.org; Mon, 20 Apr 2026 06:44:05 -0400", "from p-west3-cluster6-host2-snip4-1.eps.apple.com ([57.103.75.74]\n helo=outbound.ms.icloud.com)\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <mohamed@unpredictable.fr>)\n id 1wEm6m-0000id-32\n for qemu-devel@nongnu.org; Mon, 20 Apr 2026 06:44:05 -0400", "from outbound.ms.icloud.com (unknown [127.0.0.2])\n by p00-icloudmta-asmtp-us-west-3a-100-percent-1 (Postfix) with ESMTPS id\n 29EA11800449; Mon, 20 Apr 2026 10:44:01 +0000 (UTC)", "from localhost.localdomain (unknown [17.57.154.37])\n by p00-icloudmta-asmtp-us-west-3a-100-percent-1 (Postfix) with ESMTPSA id\n 9B4C71800444; Mon, 20 Apr 2026 10:43:58 +0000 (UTC)" ], "Dkim-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr;\n s=sig1; t=1776681843; x=1779273843;\n bh=MoioDyw9WNCdgAnpil2qVwmsqi0G9SAnV0FrCmNrGIk=;\n h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme;\n b=CpGxLNp+HrrHZjrXUYKhg5ImOfQCEqfbrtnyeywqfnsgAyCOjtHN3s2y3a6vkft/ugUeldHFLi4yp4kWmgRX3rvJfK8xe/2wJ/oxQwm4XfPoEEy0jWUCZ9hWwAJm4fsnYboCOv+roDFmaMuVexuVVbBAS39t2p9Z4bHz4IEk7+Syb26JmRev8FOfhTNfsJSWqnDsMOBd6T9Xf1dUHIgDeI1c4cJzXksWhegDQDwpvOpqgKwnCDjLa3QAgtZcGdZB6oVQ3yA/RwAk8HuJ/KIwNNtHZBpkJh/y/WOG8S9wtzoGDfZlCa7+XQSgz7dlyfy0gWGEFJfw6q3wR0CnD6YhIw==", "mail-alias-created-date": "1752046281608", "From": "Mohamed Mediouni <mohamed@unpredictable.fr>", "To": "qemu-devel@nongnu.org", "Cc": "qemu-arm@nongnu.org, Mohamed Mediouni <mohamed@unpredictable.fr>,\n Paolo Bonzini <pbonzini@redhat.com>,\n Phil Dennis-Jordan <phil@philjordan.eu>,\n Roman Bolshakov <rbolshakov@ddn.com>,\n Pierrick Bouvier <pierrick.bouvier@linaro.org>,\n Pedro Barbuda <pbarbuda@microsoft.com>, Wei Liu <wei.liu@kernel.org>,\n \"Michael S. Tsirkin\" <mst@redhat.com>,\n Peter Maydell <peter.maydell@linaro.org>, Zhao Liu <zhao1.liu@intel.com>", "Subject": "[PATCH v2 27/38] target/i386: emulate: use exception_payload for\n fault address", "Date": "Mon, 20 Apr 2026 12:42:37 +0200", "Message-ID": "<20260420104248.86702-28-mohamed@unpredictable.fr>", "X-Mailer": "git-send-email 2.50.1", "In-Reply-To": "<20260420104248.86702-1-mohamed@unpredictable.fr>", "References": "<20260420104248.86702-1-mohamed@unpredictable.fr>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Proofpoint-ORIG-GUID": "BPMrr2-a9WCluFEdNc9SHbK75xQBDyzG", "X-Proofpoint-GUID": "BPMrr2-a9WCluFEdNc9SHbK75xQBDyzG", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwNDIwMDEwNCBTYWx0ZWRfXys5FbfJnfK3e\n x9TqOurviAq3YtlJO0AJiVtwlug7JWSBXVwTzO9TkPN2IZtXaBbg2IvkzchOR6nmd7+9wEXbAGN\n SO/43X4GJ9zVu4M7U+2ZHPJryF5Z5fpGVl96/Ho74JdE1Rbk0z+qmDvtSQAL/it7sNbA/5bQce0\n d+bnF+6RFRriibdNQeoFXpwLWrw0Fi/kcA1p886VqY0xdfcIHKugkJTqZpeGMvVH+vVM85Iapxt\n qbyK1AbIzBNuP+VghE8uAUpGn356m+E1hfevUBXhlmyCMKWOtT/SZrijf5T71T2npga5aFG3x2/\n w97Mxx2b1drBGMBQ4jY4cWBFqye3Xhq6RPJonUdH7y1fLZzg1LhCqqdW1PvLtQ=", "X-Authority-Info-Out": "v=2.4 cv=d7b4CBjE c=1 sm=1 tr=0 ts=69e60371\n cx=c_apl:c_pps:t_out a=qkKslKyYc0ctBTeLUVfTFg==:117 a=A5OVakUREuEA:10\n a=VkNPw1HP01LnGYTKEx00:22 a=YcyI-53RcdBlrF1VUN8A:9", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-04-20_02,2026-04-17_04,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=notspam policy=default score=0 mlxlogscore=791\n suspectscore=0 bulkscore=0 phishscore=0\n adultscore=0 spamscore=0\n malwarescore=0 clxscore=1030 lowpriorityscore=0 mlxscore=0 classifier=spam\n authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000\n definitions=main-2604200104", "Received-SPF": "pass client-ip=57.103.75.74;\n envelope-from=mohamed@unpredictable.fr; helo=outbound.ms.icloud.com", "X-Spam_score_int": "-20", "X-Spam_score": "-2.1", "X-Spam_bar": "--", "X-Spam_report": "(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n SPF_HELO_PASS=-0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Instead of directly putting it in cr[2], put it in exception_payload.\n\nSigned-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>\n---\n target/i386/emulate/x86_mmu.c | 3 ++-\n target/i386/whpx/whpx-all.c | 6 +++---\n 2 files changed, 5 insertions(+), 4 deletions(-)", "diff": "diff --git a/target/i386/emulate/x86_mmu.c b/target/i386/emulate/x86_mmu.c\nindex 007de582de..8d4371467f 100644\n--- a/target/i386/emulate/x86_mmu.c\n+++ b/target/i386/emulate/x86_mmu.c\n@@ -277,7 +277,8 @@ static MMUTranslateResult x86_write_mem_ex(CPUState *cpu, void *data, target_ulo\n translate_res = mmu_gva_to_gpa(cpu, gva, &gpa, translate_flags);\n if (translate_res) {\n int error_code = translate_res_to_error_code(translate_res, true, is_user(cpu));\n- env->cr[2] = gva;\n+ env->exception_has_payload = 1;\n+ env->exception_payload = gva;\n x86_emul_raise_exception(env, EXCP0E_PAGE, error_code);\n return translate_res;\n }\ndiff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c\nindex dee2a203b2..02235d5391 100644\n--- a/target/i386/whpx/whpx-all.c\n+++ b/target/i386/whpx/whpx-all.c\n@@ -1818,11 +1818,11 @@ static void whpx_inject_exceptions(CPUState* cpu)\n WHV_REGISTER_VALUE reg = {};\n reg.ExceptionEvent.EventPending = 1;\n reg.ExceptionEvent.EventType = WHvX64PendingEventException;\n- reg.ExceptionEvent.DeliverErrorCode = 1;\n+ reg.ExceptionEvent.DeliverErrorCode = env->has_error_code;\n reg.ExceptionEvent.Vector = env->exception_nr;\n reg.ExceptionEvent.ErrorCode = env->error_code;\n- if (env->exception_nr == EXCP0E_PAGE) {\n- reg.ExceptionEvent.ExceptionParameter = env->cr[2];\n+ if (env->exception_has_payload) {\n+ reg.ExceptionEvent.ExceptionParameter = env->exception_payload;\n }\n whpx_set_reg(cpu, WHvRegisterPendingEvent, reg);\n }\n", "prefixes": [ "v2", "27/38" ] }